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PostPosted: 13.10.2003 22:58 
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Junior Modder
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Well, after reading the article, I went out to look for the pens.
And lucky me, I found a box of them in one of the local bookstores(Akateeminen). I got two, a red and a blue one. I asked the seller as I wasn't sure, but she had no idea. I check the article again, and decided to get them. At home (I still haven't got my black light) I drew some blobs and put them against the light for a while. And when I tried them, I got nothing.
Next, I found a thicker pen by BIC called Technolight, which promised on the backside of the package that it was "Flourecent",and now hopefull(although the pen was only the normal yellow, I went to try it at home again. And you guessed it, nothing.
Am I the only one with this bad luck? Has anyone else tried this "Technolight" pen? Did it work for you?


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PostPosted: 13.10.2003 23:10 
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You need to have that UV (Black light) cold cathode/led/lamp for this to work. Some blue cold cathodes do emit some UV but you don't get the effect with regular light.

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PostPosted: 13.10.2003 23:21 
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But the thing is that Flourecent paint should rect good to UV-light as their principle is that they absorbe UV-light from any lightsource and when it gets dark they emit it to give that nice shiny look.
And thus I was looking for Flourecent pens, but BICs pens are a no go, apparently. They might work with the UV light, though.


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PostPosted: 13.10.2003 23:31 
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No, fluorescent material can't do this alone. You need to have phosphorescent material with it. Here is a good explanation on this technique:

http://www.coolquiz.com/trivia/explain/docs/glow.asp

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PostPosted: 13.10.2003 23:35 
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OK, but it's quite often used for Glow-in-the-dark things, this term "flourecent", right?
And glow-in-the-dark things should work with UV-light quite good....
Just my $0.02


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PostPosted: 14.10.2003 12:24 
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The J wrote:
They might work with the UV light, though.


Are you saying that you've based your assumption that the pens don't work, without using a UV light?

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PostPosted: 14.10.2003 13:01 
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An@rchy wrote:

Are you saying that you've based your assumption that the pens don't work, without using a UV light?


What i have read in this topic i think that this guy thoud that they would glow when using normal light, like some of those toys and stuff do...


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PostPosted: 14.10.2003 13:18 
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And more specific, continue to glow when the light is switched off. I think that the link that I gave, tells clearly enough why fluorescent material will not work alone in this case.

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PostPosted: 14.10.2003 20:37 
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I was just messed by the terms, but I'm used to see the word Flourecent on toys with the glow-in-the-dark stuff. Or is it just me.


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